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Heritage classified

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Origin and history

The lower castle of Sedan, also called the Princes' Castle or Princes' Palace, was built in 1611 on the initiative of Henri de La Tour, Duke of Bouillon, Prince of Sedan. Designed by architect Salomon de Brosse, this palace reflects an architecture at the hinge between French Renaissance and classicism, with a city-side facade with vermiculated bosses evoking a martial look, and an interior courtyard adorned with pilasters and skylights alternately triangular or circular. It replaced walls and a medieval quarter destroyed for its construction, symbolizing the peak of the principality before its annexation by France in 1642.

A princely residence from 1614 to 1642, the château-bas then became the home of the governors of Sedan after annexation. Surrounded by ditches and equipped with a drawbridge, it also housed a hall with carriages and stables. From the Revolution it was transformed into a barracks, resulting in the loss of most of its interior decorations, with the exception of a carved wooden staircase and a vaulted fireplace. The ditches were filled in 1878, and the carrosse hall was destroyed by fire around 1880. Ranked a historic monument in 1952, it now illustrates the architectural heritage of the Ardennes.

The site initially occupied a fortified 16th century area, the "Moulin district", including an artillery terrace. The construction of the château-bas in the 17th century included a bastion designed by Turenne, now gone. Materials from local quarries highlight the building's territorial anchoring. The city side facade, more austere, contrasted with the elegance of the inner courtyard, reflecting a duality between defensive function and princely residence. The monumental gate, inspired by the city gates, marked the entrance to the castral complex before reaching the high castle by a bridge, now disappeared.

The plans of Salomon de Brosse, a Protestant architect who also worked for Mary of Medici, bear witness to a desire for modernity. The Duke of Bouillon was looking for a more comfortable residence than the medieval apartments of the castle. After 1642, the palace lost its political role but retained a symbolic function before becoming a military building. Its classification in 1952 and its partial inscription in 2003 preserved its facades and roofs, as well as the remains of the sixteenth century in its courtyard.

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